162107-31-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 162107-31-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,2,1,0 and 7 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 162107-31:
(8*1)+(7*6)+(6*2)+(5*1)+(4*0)+(3*7)+(2*3)+(1*1)=95
95 % 10 = 5
So 162107-31-5 is a valid CAS Registry Number.
162107-31-5Relevant articles and documents
Synthesis of Zaragozic Acid A/Squalestatin S1
Nicolaou, K. C.,Yue, Eddy W.,Greca, Susan La,Nadin, Alan,Yang, Zhen,et al.
, p. 467 - 494 (2007/10/03)
A novel synthetic approach to the construction of the zaragozic acids, which was used for the asymmetric synthesis of zaragozic acid A/squalestatin S1 (1), is described.Fragment 5, representing the tricarboxylic acid core portion, is assembled in three ke